linux-kernel - Re: [hellogcc] Re: [PATCH] Built kernel without -O2 option

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Message-ID: <20101129220350.GA10923@core2.telecom.by>
Date:	Tue, 30 Nov 2010 00:03:50 +0200
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Valdis.Kletnieks@...edu
Cc:	乔崇 <qiaochong@...ngson.cn>,
	hellogcc@...elists.org,
	Américo Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, gdb@...rceware.org
Subject: Re: [hellogcc] Re: [PATCH] Built kernel without -O2 option

On Mon, Nov 29, 2010 at 01:10:29PM -0500, Valdis.Kletnieks@...edu wrote:
> That may result in issues - the problem is that there are places in the kernel
> where 'gcc -O0' will *compile* cleanly, but not actually *run* correctly.

Since nobody (no-bo-dy) runs kernel with -O0, I'd suggest original
poster to learn how to debug kernel with constrained information.

I'll be most certainly faster. :^)
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